Mineral-insulated electrical cable
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United States of America Patent
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-
May 8, 2001
Grant Date -
N/A
app pub date -
Apr 28, 1999
filing date -
Apr 30, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A mineral-insulated electrical cable has a tubular casing and several metallic conductors running inside the tubular casing and projecting out of it, which are insulated against one another and against the tubular casing. The metal casing has on at least one end a gas-tight seal through which the conductors are passed, and each conductor projecting out of the seal has in connection with the seal and over a part of its length a sheath made of ceramics, glass and/or glass ceramics. In order to improve the resistance of the MI cable to corrosion, each sheath is constructed as a sleeve of the respective conductor with at least one liquid-tight layer in connection with the seal of the tubular casing.
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